/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.collections.keyvalue; import java.util.Map; import junit.framework.Test; import junit.framework.TestSuite; import org.apache.commons.collections.KeyValue; import org.apache.commons.collections.Unmodifiable; /** * Test the UnmodifiableMapEntry class. * * @since Commons Collections 3.0 * @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $ * * @author Neil O'Toole */ public class TestUnmodifiableMapEntry extends AbstractTestMapEntry { public TestUnmodifiableMapEntry(String testName) { super(testName); } public static void main(String[] args) { junit.textui.TestRunner.run(TestUnmodifiableMapEntry.class); } public static Test suite() { return new TestSuite(TestUnmodifiableMapEntry.class); } //----------------------------------------------------------------------- /** * Make an instance of Map.Entry with the default (null) key and value. * Subclasses should override this method to return a Map.Entry * of the type being tested. */ public Map.Entry makeMapEntry() { return new UnmodifiableMapEntry(null, null); } /** * Make an instance of Map.Entry with the specified key and value. * Subclasses should override this method to return a Map.Entry * of the type being tested. */ public Map.Entry makeMapEntry(Object key, Object value) { return new UnmodifiableMapEntry(key, value); } //----------------------------------------------------------------------- /** * Subclasses should override this method. * */ public void testConstructors() { // 1. test key-value constructor Map.Entry entry = new UnmodifiableMapEntry(key, value); assertSame(key, entry.getKey()); assertSame(value, entry.getValue()); // 2. test pair constructor KeyValue pair = new DefaultKeyValue(key, value); entry = new UnmodifiableMapEntry(pair); assertSame(key, entry.getKey()); assertSame(value, entry.getValue()); // 3. test copy constructor Map.Entry entry2 = new UnmodifiableMapEntry(entry); assertSame(key, entry2.getKey()); assertSame(value, entry2.getValue()); assertTrue(entry instanceof Unmodifiable); } public void testAccessorsAndMutators() { Map.Entry entry = makeMapEntry(key, value); assertSame(key, entry.getKey()); assertSame(value, entry.getValue()); // check that null doesn't do anything funny entry = makeMapEntry(null, null); assertSame(null, entry.getKey()); assertSame(null, entry.getValue()); } public void testSelfReferenceHandling() { // block } public void testUnmodifiable() { Map.Entry entry = makeMapEntry(); try { entry.setValue(null); fail(); } catch (UnsupportedOperationException ex) {} } }